# nice color palette for visualizing contours, etc.
cCOLOURS = [
    (255, 0, 0),
    (255, 63, 0),
    (255, 127, 0),
    (255, 191, 0),
    (255, 255, 0),
    (191, 255, 0),
    (127, 255, 0),
    (63, 255, 0),
    (0, 255, 0),
    (0, 255, 63),
    (0, 255, 127),
    (0, 255, 191),
    (0, 255, 255),
    (0, 191, 255),
    (0, 127, 255),
    (0, 63, 255),
    (0, 0, 255),
    (63, 0, 255),
    (127, 0, 255),
    (191, 0, 255),
    (255, 0, 255),
    (255, 0, 191),
    (255, 0, 127),
    (255, 0, 63),
]
